Lance Maresky, MD
NPI 1033770375ActiveIndividual· Hospitalist· West Palm Beach, FL
Hospitalist (MD) with Icahn School of Medicine at Mount Sinai and 1 other group, practicing in West Palm Beach, Florida. Mostly services rather than prescriptions: Medicare paid $82,534 for 239 patients in 2024, with only 49 Part D claims. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $124.47 in all, mostly food and beverage. Lists HCA Florida Jfk Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1033770375 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 26, 2019 |
| Last updated in NPPES | Oct 2, 2025 |
| Certified by provider | Oct 2, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | ME155996 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hospitalist (FL); Practitioner - Hospitalist (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 239 |
|---|---|
| Services billed | 847 across 7 procedure codes |
| Paid by Medicare | $82,534 |
Part D prescriptions in 2024
| Prescriptions (claims) | 49 · 57 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $22,292 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Hospitalist |
Medical groups
- Icahn School of Medicine at Mount SinaiNew York, NY · 2,843 clinicians
- Hha Associates LLCLoxahatchee, FL · 132 clinicians
Hospital affiliations
- HCA Florida Jfk HospitalAtlantis, FL
- Mount Sinai WestNew York, NY
Industry payments (Open Payments)
- 2025$124.47 · 4 payments from 2 companies
- 2024$203.30 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $66.72 | 2 |
| Csl Behring | $57.75 | 2 |
What the 2025 payments were for
- Food and Beverage$124.47 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 hospitalists in West Palm Beach · All hospitalists in Florida